We have not yet seen what man can make of man.

The human species took a crucial step forward when its vocal musculature came under operant control in the production of speech sounds. Indeed, it is possible that all the distinctive achievements of the species can be traced to that one genetic change.

Each of us has interests which conflict the interests of everybody else... 'everybody else' we call 'society'. It's a powerful opponent and it always wins. Oh, here and there an individual prevails for a while and gets what he wants. Sometimes he storms the culture of a society and changes it to his own advantage. But society wins in the long run, for it has the advantage of numbers and of age.

The one fact that I would cry form every housetop is this: the Good Life is waiting for us - here and now.

The simulated approval and affection with which parents and teachers are often urged to solve behavior problems are counterfeit. So are flattery, backslap-ping, and many other ways of "winning friends.

A fourth-grade reader may be a sixth-grade mathematician. The grade is an administrative device which does violence to the nature of the developmental process.

An important fact about verbal behavior is that speaker and listener may reside within the same skin.